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#define SASS_DOCUMENT
#include <map>
#ifndef SASS_PRELEXER
#include "prelexer.hpp"
#endif
#ifndef SASS_NODE
#include "node.hpp"
#endif
#ifndef SASS_CONTEXT
#include "context.hpp"
#endif
struct Selector_Lookahead {
const char* found;
bool has_interpolants;
};
namespace Sass {
using std::string;
using std::vector;
using std::map;
using namespace Prelexer;
struct Document {
enum CSS_Style { nested, expanded, compact, compressed, echo };
string path;
const char* source;
const char* position;
const char* end;
size_t line;
bool own_source;
Context& context;
Node root;
Token lexed;
private:
// force the use of the "make_from_..." factory funtions
Document(Context& ctx);
public:
Document(const Document& doc);
~Document();
static Document make_from_file(Context& ctx, string path);
static Document make_from_source_chars(Context& ctx, const char* src, string path = "", bool own_source = false);
static Document make_from_token(Context& ctx, Token t, string path = "", size_t line_number = 1);
template <prelexer mx>
const char* peek(const char* start = 0)
{
if (!start) start = position;
const char* after_whitespace;
if (mx == block_comment) {
after_whitespace = // start;
zero_plus< alternatives<spaces, line_comment> >(start);
}
else if (/*mx == ancestor_of ||*/ mx == no_spaces) {
after_whitespace = position;
}
else if (mx == spaces || mx == ancestor_of) {
after_whitespace = mx(start);
if (after_whitespace) {
return after_whitespace;
}
else {
return 0;
}
}
else if (mx == optional_spaces) {
after_whitespace = optional_spaces(start);
}
else {
after_whitespace = spaces_and_comments(start);
}
const char* after_token = mx(after_whitespace);
if (after_token) {
return after_token;
}
else {
return 0;
}
}
template <prelexer mx>
const char* lex()
{
const char* after_whitespace;
if (mx == block_comment) {
after_whitespace = // position;
zero_plus< alternatives<spaces, line_comment> >(position);
}
else if (mx == ancestor_of || mx == no_spaces) {
after_whitespace = position;
}
else if (mx == spaces) {
after_whitespace = spaces(position);
if (after_whitespace) {
line += count_interval<'\n'>(position, after_whitespace);
lexed = Token::make(position, after_whitespace);
return position = after_whitespace;
}
else {
return 0;
}
}
else if (mx == optional_spaces) {
after_whitespace = optional_spaces(position);
}
else {
after_whitespace = spaces_and_comments(position);
}
const char* after_token = mx(after_whitespace);
if (after_token) {
line += count_interval<'\n'>(position, after_token);
lexed = Token::make(after_whitespace, after_token);
return position = after_token;
}
else {
return 0;
}
}
void parse_scss();
Node parse_import();
Node parse_include();
Node parse_mixin_definition();
Node parse_function_definition();
Node parse_parameters();
Node parse_parameter(Node::Type);
Node parse_mixin_call(Node::Type inside_of = Node::none);
Node parse_arguments();
Node parse_argument(Node::Type);
Node parse_assignment();
Node parse_propset();
Node parse_ruleset(Selector_Lookahead lookahead, Node::Type inside_of = Node::none);
Node parse_selector_schema(const char* end_of_selector);
Node parse_selector_group();
Node parse_selector();
Node parse_selector_combinator();
Node parse_simple_selector_sequence();
Node parse_simple_selector();
Node parse_pseudo();
Node parse_attribute_selector();
Node parse_block(Node surrounding_ruleset, Node::Type inside_of = Node::none);
Node parse_rule();
Node parse_values();
Node parse_list();
Node parse_comma_list();
Node parse_space_list();
Node parse_disjunction();
Node parse_conjunction();
Node parse_relation();
Node parse_expression();
Node parse_term();
Node parse_factor();
Node parse_value();
Node parse_function_call();
Node parse_string();
Node parse_value_schema();
Node parse_identifier_schema();
Node parse_url_schema();
Node parse_if_directive(Node surrounding_ruleset, Node::Type inside_of = Node::none);
Node parse_for_directive(Node surrounding_ruleset, Node::Type inside_of = Node::none);
Node parse_each_directive(Node surrounding_ruleset, Node::Type inside_of = Node::none);
Node parse_while_directive(Node surrounding_ruleset, Node::Type inside_of = Node::none);
Node parse_directive(Node surrounding_ruleset, Node::Type inside_of = Node::none);
Node parse_media_query(Node::Type inside_of = Node::none);
Node parse_media_expression();
Node parse_warning();
Selector_Lookahead lookahead_for_selector(const char* start = 0);
Selector_Lookahead lookahead_for_extension_target(const char* start = 0);
void throw_syntax_error(string message, size_t ln = 0);
void throw_read_error(string message, size_t ln = 0);
string emit_css(CSS_Style style);
};
}
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